nz.ac.waikato.cms.weka timeseriesForecasting 1.1.27 1.1.27 1.0.20 1.0.21 1.0.22 1.0.23 1.0.24 1.0.25 1.0.26 1.0.27 1.1.25 1.1.26 1.1.27 20191025002428